[Freeswitch-users] best freeswitch timer

[Steven Ayre]

+1

Debian Lenny had timerfd in the kernel but not in glibc. There's an option
--enable-timerfd-wrapper for such systems since there timerfd can be used
via syscall.

Squeeze and newer have it in both (so no need for the wrapper).

-Steve



On 13 February 2013 18:16, Kristian Kielhofner <kris at kriskinc.com> wrote:

> Keep in mind you also need a recent glibc that supports timerfd.
>
> On Wed, Feb 13, 2013 at 9:55 AM, Ken Rice <krice at freeswitch.org> wrote:
> > Actually it defaults to using timerfd if its enabled in your kernel....
> > There should be no debate on that, I reviewed that code with tony...
> >
> > If you don’t have a timerfd enabled kernel it uses the old default soft
> > timer... No you cant tell the difference in there currently with just a
> show
> > timer command, however that’s likely to change...
> >
> > Are you running like centos6 or debian squeeze with a stock kernel? Then
> you
> > likely have timerfd and are using it unless you changed the configs to do
> > something else...
> >
> > Theres always a lot of debate around this, but the fact is, unless you
> are
> > seeing crappy audio issues, you probably shouldn’t mess with the timers
> >
> >
> >
> >
> > On 2/13/13 4:31 AM, "Steven Ayre" <steveayre at gmail.com> wrote:
> >
> > 'show timer' shows all loaded timer modules. That shows none are loaded.
> >
> > CORE_SOFTTIMER_MODULE is the soft timer built into the FS core... it may
> or
> > may not use timerfd, depending on your system.
> >
> > You pick which timer to actually use in your configuration files... for
> > example the rtp-timer-name Sofia profile param.
> >
> > Use the timer_test command to see which timer actually works best for you
> > (ie most accurate, least jitter).
> > http://wiki.freeswitch.org/wiki/Mod_commands#timer_test
> >
> > -Steve
> >
> >
> >
> > On 12 February 2013 22:48, jay binks <jaybinks at gmail.com> wrote:
> >
> > so does :
> >
> > freeswitch at default> show timer
> > type,name,ikey
> > timer,soft,CORE_SOFTTIMER_MODULE
> >
> > 1 total.
> >
> > on FreeSWITCH Version 1.2.6+git~20130104T154559Z~a4247651ca (git
> > a424765 2013-01-04 15:45:59Z)
> >
> > indicate it will be using timerfd calls or is this the old softtimer ?
> >
> > On 13 February 2013 02:21, Ken Rice <krice at freeswitch.org> wrote:
> >> The default one is the best one on linux with kernels starting around
> >> 2.6.32... Anything after that and you are good to go...
> >>
> >> The other timers are left around for other platforms
> >>
> >> K
> >>
> >>
> >>
> >> On 2/12/13 10:04 AM, "François Delawarde" <fdelawarde at wirelessmundi.com
> >
> >> wrote:
> >>
> >>> Hello,
> >>
> >> Could someone knowing the different FS timers clarify the
> >>> difference
> >> between those:
> >>
> >> - default core softtimer
> >> - core heavy timer (does
> >>> this option still exists?)
> >> - posix timer
> >> - timerfd
> >>
> >> Can any of those provide a
> >>> significant performance improvement, or is it
> >> just not worth switching from
> >>> the default?
> >>
> >> In any case, which one would be the recommended/best one under
> >>> Linux
> >> with a relatively recent kernel
> >>> (>3.0)?
> >>
> >> Thanks,
> >> François.
> >>
> >>
> >>
> >> ________________________________________________
> >>> _________________________
> >> Professional FreeSWITCH Consulting
> >>> Services:
> >> consulting at freeswitch.org
> >> http://www.freeswitchsolutions.com
> >>
> >> FreeSW
> >>> ITCH-powered IP PBX: The CudaTel Communication
> >>> Server
> >> 
> >>
> >> Official FreeSWITCH
> >>> Sites
> >> http://www.freeswitch.org
> >> http://wiki.freeswitch.org
> >> http://www.cluecon.
> >>> com
> >>
> >> FreeSWITCH-users mailing
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> >>
> >>
> >> --
> >> Ken
> >> http://www.FreeSWITCH.org
> >> http://www.ClueCon.com
> >> http://www.OSTAG.org
> >> irc.freenode.net <http://irc.freenode.net>  #freeswitch
> >
> >>
> >>
> >>
> >>
> _________________________________________________________________________
> >> Professional FreeSWITCH Consulting Services:
> >> consulting at freeswitch.org
> >> http://www.freeswitchsolutions.com
> >>
> >> 
> >> 
> >>
> >> Official FreeSWITCH Sites
> >> http://www.freeswitch.org
> >> http://wiki.freeswitch.org
> >> http://www.cluecon.com
> >>
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> >
> >
> >
> > --
> > Sincerely
> >
> > Jay
> >
> > _________________________________________________________________________
> > Professional FreeSWITCH Consulting Services:
> > consulting at freeswitch.org
> > http://www.freeswitchsolutions.com
> >
> > 
> > 
> >
> > Official FreeSWITCH Sites
> > http://www.freeswitch.org
> > http://wiki.freeswitch.org
> > http://www.cluecon.com
> >
> > FreeSWITCH-users mailing list
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> > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> > http://www.freeswitch.org
> >
> >
> >
> > ________________________________
> > _________________________________________________________________________
> > Professional FreeSWITCH Consulting Services:
> > consulting at freeswitch.org
> > http://www.freeswitchsolutions.com
> >
> > 
> > 
> >
> > Official FreeSWITCH Sites
> > http://www.freeswitch.org
> > http://wiki.freeswitch.org
> > http://www.cluecon.com
> >
> > FreeSWITCH-users mailing list
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> >
> >
> > --
> > Ken
> > http://www.FreeSWITCH.org
> > http://www.ClueCon.com
> > http://www.OSTAG.org
> > irc.freenode.net #freeswitch
> >
> > _________________________________________________________________________
> > Professional FreeSWITCH Consulting Services:
> > consulting at freeswitch.org
> > http://www.freeswitchsolutions.com
> >
> > 
> > 
> >
> > Official FreeSWITCH Sites
> > http://www.freeswitch.org
> > http://wiki.freeswitch.org
> > http://www.cluecon.com
> >
> > FreeSWITCH-users mailing list
> > FreeSWITCH-users at lists.freeswitch.org
> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
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> >
>
>
>
> --
> Kristian Kielhofner
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
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>
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